INST: removed dipy from Conda requirements
INST: removed dipy from Conda requirements

Former-commit-id: 41a579c8fffd668d4d69b6ea151223f7d577f500 [formerly bb28b325938d677412c9745505940d176c7b6f36]
Former-commit-id: 5963b1dde6cb1391b6aa2ab670db2e2a83f7a498
Former-commit-id: ce6420289e9926d78695c8f3c09c60b23897393a
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox